UK-based Reckitt Benckiser (RB), the company behind brands such as Dettol, Clearsil, Durex and Disprin has acquired Ahmedabad-based Paras Pharmaceuticals, which owns medicine brands such as Moov, Krack and D’Cold, in a Rs 3,620-crore deal. The deals means Reckitt will emerge as a formidable player in the fast growing over-the-counter drugs space in India.